Premium cast iron, ductile iron, and stainless steel flanged Y strainers engineered for industrial, commercial, and municipal applications. Reduce maintenance costs, extend equipment life, and ensure uninterrupted flow.
Trusted by procurement teams at 200+ facilities across the USA, Saudi Arabia, South Africa, and Italy. Delivered in 15β30 days with full OEM/ODM support.
Every day, debris, scale, weld slag, and pipe rust travel through your pipelines. Without a reliable flanged y strainer, these contaminants attack your most expensive assets β pumps, valves, heat exchangers, and instrumentation.
Average annual cost of debris-related equipment damage per facility (Source: Industrial Maintenance Survey 2025)
At Ningjin Thriveon Valve Co., Ltd., weβve been manufacturing flanged y strainers and industrial valves for over a decade. Our factory in Hebei, China combines German-pattern casting with rigorous QA to deliver strainers that meet ASTM A126, A216, and A351 standards β at prices 30β45% below European and American equivalents.
100,000 sq ft production facility with CNC machining, spectrometers, and hydraulic pressure testing. Every flanged y strainer undergoes shell and seat tests before shipping.
CE, ISO 9001, RoHS, and SGS third-party inspection available. We provide full material certificates and PMI reports with every order.
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Standard sizes (1/2"β12") ship in 15 days. Custom flanges, meshes, and materials in 25β30 days. Air freight options available for urgent needs.
Your spec, our production. Custom flange drilling (ANSI 150/300/600, DIN PN10/16, JIS 10K/20K), mesh sizes from 20 to 400, and special coatings (epoxy, galvanized, FBE).
Factory-direct pricing with FOB, CIF, or DDP terms. Volume discounts available. Typical savings: 30β45% vs. US/EU brands with same or better quality.
Heat numbers, pressure test records, and dimensional reports archived per ISO 9001. Barcode tracking from casting to crate.
Browse our standard offering. Custom sizes, materials, and meshes available β request a quote for your exact requirements.
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Size Range | 1/2" β 12" (DN15 β DN300) | 14" β 24" (DN350 β DN600) on request |
| Pressure Class | ANSI 150 / ANSI 300 | ANSI 600, DIN PN10/16/25/40, JIS 10K/20K |
| Body Material | Cast Iron (ASTM A126 Class B), Ductile Iron (ASTM A536), WCB Carbon Steel, CF8/CF8M Stainless Steel | Bronze, Alloy 20, Hastelloy, Duplex SS |
| Screen Material | 304 SS, 316 SS | 316L, Monel, PTFE-coated, Hastelloy |
| Mesh Size (Perforated) | 1/16" β 1/4" diameter holes | As per customer specification |
| Mesh Size (Wire Mesh) | 20 β 400 mesh | Custom micron ratings |
| Flange Faces | Raised Face (RF), Flat Face (FF) | Ring Joint (RTJ), Grooved |
| End Connections | Flanged (ANSI B16.5, DIN EN 1092-1, JIS B2220) | Custom drilling patterns |
| Coating | Rust-proof primer + epoxy paint (standard) | FBE, galvanized, zinc-rich, special colors |
| Design Standard | ASME B16.34, MSS SP-125 | EN 1074, ISO 7259 |
| Testing | Shell test 1.5x rated pressure, Seat test 1.1x rated pressure | Hydrostatic, pneumatic, helium leak test |
| Certifications | CE, ISO 9001, RoHS | SGS inspection, material certificates (EN 10204 3.1/3.2) |
| Lead Time (Standard) | 15 days (1/2"β4"), 20 days (6"β12") | 25β30 days for custom specs |
| Packaging | Plywood crates + plastic film + foam inserts | Export-grade wooden case, fumigation certificate |
Our flanged y strainers are deployed in some of the most demanding environments. Hereβs where they deliver the highest ROI.
Case: A refinery in Saudi Arabia used our CF8M stainless steel Y strainers with 60-mesh screens on cooling water lines. Result: 92% reduction in heat exchanger cleaning frequency. Payback: 4 months.
Case: A municipal plant in South Africa installed 8" ductile iron flanged Y strainers with epoxy coating on raw water intake. Filter life extended 3x. Zero leaks after 18 months of continuous operation.
Case: A sauce manufacturer in Illinois needed 316 SS strainers with 80-mesh screens for CIP return lines. Thriveon delivered custom units in 22 days β 40% faster than their previous supplier. Downtime eliminated.
"We use Thriveon Y strainers on all our water and steam lines. Consistent quality, good surface finish, and the gasket surfaces are always clean. Much better than other Chinese suppliers we tried."

"Thriveon provided full EN 10204 3.1 material certificates and SGS inspection reports for our 12" carbon steel Y strainers. The project consultant approved them without any issue. Fast delivery, good communication."
"We needed 316 SS strainers with 100-mesh screens for a hygienic application. Thriveon delivered custom units in 24 days β half the lead time of our previous vendor. Quality is excellent, no issues with FDA compliance."
"We import flanged Y strainers from Thriveon for our European customers. The value for money is exceptional β Italian-quality castings at Chinese prices. Their OEM service is very flexible."
"Thriveon's ductile iron Y strainers with fusion-bonded epoxy coating are now standard on all our new pump stations. Five years in, zero corrosion issues. Their technical support is responsive and knowledgeable."
A flanged Y strainer is a Y-shaped pipeline filter with flanged end connections. It uses a perforated or mesh screen to trap debris, scale, and particulates from flowing liquids or gases. The screen is housed in an angled body (the "Y" shape) that allows easy cleaning β simply remove the threaded or bolted cap and pull out the screen. Flanged connections make installation secure and leak-free, ideal for high-pressure and high-temperature systems.
We manufacture flanged y strainers from 1/2" to 12" (DN15βDN300) as standard, with custom sizes up to 24" (DN600) available. Pressure ratings include ANSI 150 and ANSI 300 in stock, with ANSI 600, DIN PN10/16/25/40, and JIS 10K/20K available on request. All strainers are hydrostatically tested at 1.5x rated pressure.
Body materials: Cast Iron (ASTM A126 Class B), Ductile Iron (ASTM A536), WCB Carbon Steel, CF8 (304) and CF8M (316) Stainless Steel. Screens are 304 or 316 SS as standard. We can also supply bronze, Alloy 20, Hastelloy, and Duplex SS for corrosive environments. Custom coatings (epoxy, FBE, galvanized) are available.
For standard flanged y strainers (1/2"β4", CI/Ductile iron), MOQ is 5 pieces per size. For stainless steel and larger sizes (6"β12"), MOQ is 2 pieces per size. Custom specifications and OEM orders have flexible MOQs β contact us for details. Sample orders (1 pc) are welcome for qualification.
Standard sizes ship in 15 days (1/2"β4") and 20 days (6"β12"). Custom specs: 25β30 days. We offer FOB (Tianjin/Xingang), CIF, and DDP terms. Air freight available for urgent orders (3β5 days). We work with major freight forwarders β FedEx, DHL, Maersk, and COSCO.
Yes. We have extensive experience OEM/ODM for valve brands in the USA, Europe, and the Middle East. We can cast your logo, use your specified paint color, provide custom packaging, and adapt flange drilling to your standard. Strict confidentiality agreements available.
Our strainers are CE certified and manufactured under ISO 9001:2015. We provide material certificates (EN 10204 3.1), pressure test reports, and dimensional inspection reports. Third-party inspections by SGS or Bureau Veritas can be arranged. RoHS and FDA-compliant coatings are available for food contact applications.
Maintenance is simple: isolate the strainer, slowly depressurize, remove the drain plug (if any), then unscrew the cap and withdraw the screen. Clean the screen with a wire brush or compressed air, inspect for damage, and reinstall. For heavy debris loads, install a blow-down valve on the cap for online purging. Recommended inspection interval: every 3β6 months depending on service.
Get factory-direct pricing on premium flanged Y strainers β with full certifications, fast delivery, and zero quality surprises. Request your quote today and we'll respond within 24 hours.
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info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China
π Trusted by Procurement Teams Across 4 Continents
From the US Gulf Coast to the Middle East, Africa, and Europe, Thriveon flanged y strainers are specified by engineers who demand reliability without the premium price.
"Thriveon's flanged Y strainers matched the quality of our previous US supplier at 55% lower cost. We've ordered 340 units across 3 plants. On-time delivery, correct paperwork every time."
"We switched to Thriveon for our water treatment projects in Gauteng. Their ductile iron strainers with epoxy coating outperform anything we used before. Lead times went from 9 weeks to 18 days."